201941440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20357}}^1$

素因数の和:20405

約数の個数: 56

約数和(自身を含む): 496409472

約数和(自身を除く): 294468032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20357, 40714, 81428, 101785, 162856, 203570, 325712, 407140, 631067, 651424, 814280, 1262134, 1302848, 1628560, 2524268, 3155335, 3257120, 5048536, 6310670, 6514240, 10097072, 12621340, 20194144, 25242680, 40388288, 50485360, 100970720, 201941440]

約数ペア:

[(1, 201941440), (2, 100970720), (4, 50485360), (5, 40388288), (8, 25242680), (10, 20194144), (16, 12621340), (20, 10097072), (31, 6514240), (32, 6310670), (40, 5048536), (62, 3257120), (64, 3155335), (80, 2524268), (124, 1628560), (155, 1302848), (160, 1262134), (248, 814280), (310, 651424), (320, 631067), (496, 407140), (620, 325712), (992, 203570), (1240, 162856), (1984, 101785), (2480, 81428), (4960, 40714), (9920, 20357)]